Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 71.574416][ T8479] ================================================================================ [ 71.583904][ T8479] UBSAN: shift-out-of-bounds in ./include/net/red.h:252:22 [ 71.591898][ T8479] shift exponent 72 is too large for 32-bit type 'int' [ 71.598763][ T8479] CPU: 1 PID: 8479 Comm: syz-executor063 Not tainted 5.10.0-syzkaller #0 [ 71.607173][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.617241][ T8479] Call Trace: [ 71.620515][ T8479] dump_stack+0x107/0x163 [ 71.624881][ T8479] ubsan_epilogue+0xb/0x5a [ 71.629292][ T8479] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 71.636060][ T8479] ? rwlock_bug.part.0+0x90/0x90 [ 71.640992][ T8479] ? kasan_unpoison_shadow+0x33/0x40 [ 71.646275][ T8479] sfq_init.cold+0x4f/0xd5 [ 71.650688][ T8479] ? sfq_perturbation+0x2c0/0x2c0 [ 71.655704][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.661933][ T8479] ? sfq_perturbation+0x2c0/0x2c0 [ 71.666953][ T8479] qdisc_create+0x4ba/0x13a0 [ 71.671533][ T8479] ? apparmor_capable+0x1d8/0x460 [ 71.676550][ T8479] ? tc_get_qdisc+0xb20/0xb20 [ 71.681226][ T8479] ? __nla_parse+0x3d/0x50 [ 71.685632][ T8479] tc_modify_qdisc+0x4c8/0x1a30 [ 71.690474][ T8479] ? rtnetlink_rcv_msg+0x443/0xb80 [ 71.695592][ T8479] ? qdisc_create+0x13a0/0x13a0 [ 71.700457][ T8479] ? qdisc_create+0x13a0/0x13a0 [ 71.705290][ T8479] rtnetlink_rcv_msg+0x498/0xb80 [ 71.710222][ T8479] ? rtnl_fdb_dump+0xa00/0xa00 [ 71.714986][ T8479] netlink_rcv_skb+0x153/0x420 [ 71.719735][ T8479] ? rtnl_fdb_dump+0xa00/0xa00 [ 71.724486][ T8479] ? netlink_ack+0xab0/0xab0 [ 71.729061][ T8479] ? netlink_deliver_tap+0x2c4/0xc00 [ 71.734346][ T8479] netlink_unicast+0x533/0x7d0 [ 71.739102][ T8479] ? netlink_attachskb+0x870/0x870 [ 71.744195][ T8479] ? _copy_from_iter_full+0x275/0x850 [ 71.749555][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.755781][ T8479] ? __phys_addr_symbol+0x2c/0x70 [ 71.760789][ T8479] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 71.766514][ T8479] ? __check_object_size+0x171/0x3f0 [ 71.771788][ T8479] netlink_sendmsg+0x907/0xe40 [ 71.776561][ T8479] ? netlink_unicast+0x7d0/0x7d0 [ 71.781490][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.787735][ T8479] ? netlink_unicast+0x7d0/0x7d0 [ 71.792660][ T8479] sock_sendmsg+0xcf/0x120 [ 71.797077][ T8479] ____sys_sendmsg+0x6e8/0x810 [ 71.801828][ T8479] ? kernel_sendmsg+0x50/0x50 [ 71.806511][ T8479] ? do_recvmmsg+0x6c0/0x6c0 [ 71.811200][ T8479] ? fs_reclaim_release+0x9c/0xe0 [ 71.816219][ T8479] ___sys_sendmsg+0xf3/0x170 [ 71.820797][ T8479] ? sendmsg_copy_msghdr+0x160/0x160 [ 71.826069][ T8479] ? lockdep_init_map_waits+0x26a/0x720 [ 71.831604][ T8479] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 71.837583][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.843822][ T8479] ? percpu_counter_add_batch+0xbd/0x180 [ 71.849490][ T8479] ? find_held_lock+0x2d/0x110 [ 71.854265][ T8479] ? fd_install+0x250/0x6e0 [ 71.858778][ T8479] ? lock_downgrade+0x6d0/0x6d0 [ 71.863618][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.869852][ T8479] ? __fget_light+0x215/0x280 [ 71.874521][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.880755][ T8479] __sys_sendmsg+0xe5/0x1b0 [ 71.885250][ T8479] ? __sys_sendmsg_sock+0xb0/0xb0 [ 71.890289][ T8479] ? syscall_enter_from_user_mode+0x1d/0x50 [ 71.896176][ T8479] do_syscall_64+0x2d/0x70 [ 71.900600][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.906499][ T8479] RIP: 0033:0x4404f9 [ 71.910382][ T8479] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.929992][ T8479] RSP: 002b:00007fffef145e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.938391][ T8479] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9 [ 71.946386][ T8479] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 [ 71.954372][ T8479] RBP: 00000000006ca018 R08: 00000000ffffffff R09: 00000000004002c8 [ 71.962344][ T8479] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000401d00 [ 71.970312][ T8479] R13: 0000000000401d90 R14: 0000000000000000 R15: 0000000000000000 [ 71.978381][ T8479] ================================================================================ [ 71.987743][ T8479] Kernel panic - not syncing: panic_on_warn set ... [ 71.994339][ T8479] CPU: 1 PID: 8479 Comm: syz-executor063 Not tainted 5.10.0-syzkaller #0 [ 72.002763][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.012821][ T8479] Call Trace: [ 72.016090][ T8479] dump_stack+0x107/0x163 [ 72.020437][ T8479] panic+0x343/0x77f [ 72.024335][ T8479] ? __warn_printk+0xf3/0xf3 [ 72.028916][ T8479] ? ubsan_epilogue+0x3e/0x5a [ 72.033584][ T8479] ubsan_epilogue+0x54/0x5a [ 72.038086][ T8479] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 72.044850][ T8479] ? rwlock_bug.part.0+0x90/0x90 [ 72.049779][ T8479] ? kasan_unpoison_shadow+0x33/0x40 [ 72.055068][ T8479] sfq_init.cold+0x4f/0xd5 [ 72.059595][ T8479] ? sfq_perturbation+0x2c0/0x2c0 [ 72.064610][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.070857][ T8479] ? sfq_perturbation+0x2c0/0x2c0 [ 72.075868][ T8479] qdisc_create+0x4ba/0x13a0 [ 72.080461][ T8479] ? apparmor_capable+0x1d8/0x460 [ 72.085477][ T8479] ? tc_get_qdisc+0xb20/0xb20 [ 72.090141][ T8479] ? __nla_parse+0x3d/0x50 [ 72.094547][ T8479] tc_modify_qdisc+0x4c8/0x1a30 [ 72.099391][ T8479] ? rtnetlink_rcv_msg+0x443/0xb80 [ 72.104508][ T8479] ? qdisc_create+0x13a0/0x13a0 [ 72.109376][ T8479] ? qdisc_create+0x13a0/0x13a0 [ 72.114229][ T8479] rtnetlink_rcv_msg+0x498/0xb80 [ 72.119157][ T8479] ? rtnl_fdb_dump+0xa00/0xa00 [ 72.123937][ T8479] netlink_rcv_skb+0x153/0x420 [ 72.128716][ T8479] ? rtnl_fdb_dump+0xa00/0xa00 [ 72.133496][ T8479] ? netlink_ack+0xab0/0xab0 [ 72.138068][ T8479] ? netlink_deliver_tap+0x2c4/0xc00 [ 72.143348][ T8479] netlink_unicast+0x533/0x7d0 [ 72.148117][ T8479] ? netlink_attachskb+0x870/0x870 [ 72.153229][ T8479] ? _copy_from_iter_full+0x275/0x850 [ 72.158588][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.164815][ T8479] ? __phys_addr_symbol+0x2c/0x70 [ 72.169845][ T8479] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.175563][ T8479] ? __check_object_size+0x171/0x3f0 [ 72.180838][ T8479] netlink_sendmsg+0x907/0xe40 [ 72.185609][ T8479] ? netlink_unicast+0x7d0/0x7d0 [ 72.190553][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.196794][ T8479] ? netlink_unicast+0x7d0/0x7d0 [ 72.201734][ T8479] sock_sendmsg+0xcf/0x120 [ 72.206137][ T8479] ____sys_sendmsg+0x6e8/0x810 [ 72.210888][ T8479] ? kernel_sendmsg+0x50/0x50 [ 72.215548][ T8479] ? do_recvmmsg+0x6c0/0x6c0 [ 72.220138][ T8479] ? fs_reclaim_release+0x9c/0xe0 [ 72.225155][ T8479] ___sys_sendmsg+0xf3/0x170 [ 72.229731][ T8479] ? sendmsg_copy_msghdr+0x160/0x160 [ 72.235022][ T8479] ? lockdep_init_map_waits+0x26a/0x720 [ 72.240558][ T8479] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 72.246526][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.252754][ T8479] ? percpu_counter_add_batch+0xbd/0x180 [ 72.258381][ T8479] ? find_held_lock+0x2d/0x110 [ 72.263135][ T8479] ? fd_install+0x250/0x6e0 [ 72.267626][ T8479] ? lock_downgrade+0x6d0/0x6d0 [ 72.272462][ T8479] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.278706][ T8479] ? __fget_light+0x215/0x280 [ 72.283387][ T8479] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.289641][ T8479] __sys_sendmsg+0xe5/0x1b0 [ 72.294148][ T8479] ? __sys_sendmsg_sock+0xb0/0xb0 [ 72.299199][ T8479] ? syscall_enter_from_user_mode+0x1d/0x50 [ 72.305099][ T8479] do_syscall_64+0x2d/0x70 [ 72.309504][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.315408][ T8479] RIP: 0033:0x4404f9 [ 72.319290][ T8479] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.338899][ T8479] RSP: 002b:00007fffef145e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.347298][ T8479] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9 [ 72.355264][ T8479] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 [ 72.363233][ T8479] RBP: 00000000006ca018 R08: 00000000ffffffff R09: 00000000004002c8 [ 72.371198][ T8479] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000401d00 [ 72.379175][ T8479] R13: 0000000000401d90 R14: 0000000000000000 R15: 0000000000000000 [ 72.387923][ T8479] Kernel Offset: disabled [ 72.392354][ T8479] Rebooting in 86400 seconds..